Star Wars Episode V - The Empire Strikes Back ( He was fitted for the original prototype Boba Fett costume which was completely white, his body was used to cast the Han in Carbonite module and Harrison Ford's face was added to it, he stood in for Anthony Daniels as C-3p0 for four months during filming , portrayed the Bespin guard ' Merril ', also played a stormtrooper and portrayed the bounty hunter ' Bossk ' which he is most famous for )

Star Wars Episode V - The Empire Strikes Back ( On The Empire Strikes Back he was the senior tech in the workshop once filming started and Graham Freeborn was occupied on set. He co-built the body of the Wampa, made moulds for the Tauntauns animatronic head, moulded and foamed the prosthetics for the Ugnaughts, designed and built the close-up puppet version of the Mynocks and did final assembly on 3 versions of Yoda.